Table 7.

S/N ratios response table for FEM predicted H.

Level	Layer Thickness	Bed Temperature	Nozzle Temperature
1	−58.19	−57.09	−57.11
2	−57.98	−56.98	−57.74
3	−55.55	−57.65	−56.88
Delta	2.64	0.67	0.86
Rank	1	3	2